US private equity major KKR & Co LP (NYSE:KKR) said it would pour a further USD200m (EUR153m) into Vietnam’s Masan Consumer Corp, a unit of Masan Group Corp, in a move that brings its total investment in the fish sauce maker to USD359m, marking its largest Asian investment.

The deal, the biggest private equity transaction in Vietnam, follows an investment of USD159m by KKR in April 2011, its first buy in the country, which gave it a 10% stake in Masan Consumer.

Under the agreed terms, KKR will purchase new and secondary Masan Consumer shares, it said, without providing details about the size of the additional stake it would buy.

Commenting on the acquisition, Lu Ming, KKR’s regional chief for Southeast Asia, said it reflected the US company’s view that Vietnam was a growth market.